Feed-water heater and purifier.



No. 746,479. PATENTED DEC. 8, 190m.

T. v. ELLIOTT; FEED WATER HEATER AND PURIPIEB.

APPLICATION FILED JULY 3. 1902. N0 MODEL. R 2 SHEETS-SHEET 1.

INVENTOI? ava. 27m ,srzzzww A TTORNE Y8.

No. 746,479. PATENTED DEC. 1903.

T. V. ELLIOTT.

FEED WATER HEATER AN'D'PURIFIER.

APPLICATION PILEDJULY a, 1902. Nb MODEL.

2 SHEETS-SHEET 2.

ii/IN VENTOT A [TORNE Y8.

THE mums PETERS ca, rumaumn WASMXNGTON, a. c.

UNITED STATES Patented December 8, 1903.

PAT NT OFFICE.

THADIOUS VENSON ELLIOTT, OFCOLUMBIA, PENNSYLVANIA, ASSIGNOR OF ONE-HALFTO JOHN B. HUTOI'IINSON, OF COLUMBIA, PENNSYLVANIA.

FEED-WATER HEATER AND PURIFIERQ SPECIFICATION forming part of LettersPatent No. 746,479, dated December 8, 1903w Application filed July3:1902. Serial No. 114,223. (No model.)

T0 00% whom it may concern.-

Be it known that I, THADIOUS VENsoN EL- LIOTT, a citizen of the UnitedStates,and a resident of Columbia, in the county of Lancaster and Stateof Pennsylvania, have made certain new and useful Improvements in Feed-Water Heaters, of which the following is a specification.

My invention is an improvement in feedwater heaters for use inconnection with steamboiler furnaces; and the invention consists incertain novel constructions and combinations of parts, as will behereinafter described and claimed.

In the drawings, Figure.1 is a perspective view, partly in section andparts being removed, of an apparatus embodying my in vention. Fig. 2 isa front elevation of the steam-boilerand furnace, parts being removedand others shown in section, provided with my invention. Fig 3 is adetail crosssection on about line 3 3 of Fig. 2, and Fig. 4 is a detailsection showing the lower connection of the water-pipes with the boiler.

Theboiler A and the furnace B may in general respects beof ordinaryconstruction, the boiler A having the lines a and the furnace B thegrate-bars b and means being provided for firing the furnace.

By my invention I provide two manifolds O 0, supported one at each sideof the furnace B, with their lower ends or horizontal tubes D below thegrate-bars b and their upper ends or tube's'E above the said gratebarsand the upright connecting-tubes F, which extend in series between thetubes D and E, extending within the side wallsG of the furnace andexposed at their inner sides to the action of the heat of the furnace,the said upright tubes F opening into the furnace at their inner sides,as best shown in Fig.- 3. It will be understood that the tubes D and Ealso are exposed at their inner sides within the furnace and byarranging the tubes D below the grate-bars and the tubes E above saidgrate-bars an upward circulation of the water is secured within themanifolds by reason of the greater degree of heat at the up- -per endsthereof. At their rear ends the lower tubes D of the opposite manifoldsare connected by a cross-tube d, which increases the water capacity ofthe heater and forms a direct connection between the water-tubes at thelower sides of the furnace. Water is supplied to the feed-water heaterfrom a pump or other source of supply through a pipe H, having branchesI connecting with the outer ends of the lower tubes D of the manifolds,such ends of the tubes D being inclosed by the plugs J, which may beremoved for the purpose of cleaning out the manifolds whenever desired.Water is supplied from the heater to the boiler by means of the tubes K,leading fromthe upper rear ends of the manifolds to the under side ofthe boiler and discharging thereto at K, as shown, a suitablyvalveddischarge being provided at K for blow-oif purposes. The upper frontends of the manifolds are connected by pipes L with the front end of theboiler above the waterline opening into the steam space of the boilerand cooperating with the pipes K in securing a circulation within thefeed-water heater to prevent any burning out of the latter.

In operation the water supplied to the feed-water heater willbe raisedto a comparatively high temperature before being dis charged into theboiler, and by reason of the upward circulation of the water in themanifolds the water will be purified within the feed-water heater beforebeing delivered into the boiler as is desired.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

l.' An apparatus substantially as described comprising in combinationwith the boiler a furnace, and the side walls of the furnace, theopposite'manifolds partly seated in the walls of the furnace andcomposed each of the lower tube arranged below the grate of the furnace,the upper tube above the grate of the furnace, the uprightconnecting-tubes between the upper and lower tubes and ex posed at theirinner sides within the furnace, the cross-tube connecting the rear endsof the lower tubes and extending beneath the grate of the furnace, thefeed-pipe having branches leading to the front ends of the lower tubes,water-pipes leading from the upper rear ends of the manifolds to theboiler below the water-line of the boiler, and the connecting-pipesbetween the upper front ends of the manifolds and the boiler above theWater-line of the latter substantially as and for the purpose set forth.

2. The combination of the boiler, the furnaoe, the manifolds arranged atthe opposite sides of the furnace and comprising the lower tubes belowthe furnace-grate and the upper tubes above said grate, the cross-tubeconnecting the rear ends of the lower tubes of the manifolds, the plugsat the front ends of said tubes, the water-supply pipes connected withthe front ends of the lower tubes and connections between the uppertubes of the

